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Abstract

The methods for obtaining a controlled magnification of three-dimensional
(3-D) integral images are usually based on the increase of the spatial ray-sampling
rate of elemental image arrays. This is usually done by use of the moving
array-lenslet technique. The major drawback of this technique is the alignment
complexity due to the small lenslet movement. In this paper, we are proposing
a digital magnification method that uses interpolation principles to increase
the spatial ray sampling rate of elemental image arrays without lenslet movement
in the pickup procedure. We compare the reconstructed 3-D integral images
obtained when using the optical or the digital magnification methods, and
show that the quality of both reconstructed 3-D integral images is the same.

References

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